（adj.）Anything that is capable of being broken down and absorbed in a natural environment.
（adj.）Anything that is capable of being broken down and absorbed in a natural environment.
（形容词）能在自然环境中被分解吸收的任何物质。
（adj.）Anything that is capable of being broken down and absorbed in a natural environment.
（形容词）能在自然环境中被分解吸收的任何物质。